Thunder is the result of the rapid expansion of super heated air caused by the extremely high temperature of lightning. Through a series of examples, the student will be able to determine the distance to a lightning strike.

SKYWARN is a concept developed in the early 1970d that was intended to promote a cooperatve effort between the National Weather Service and communities. The emphasis of the effort is often focused on the storm spotter, an individual who takes a position near their community and reports wind gusts,...

Bernoulli's principle states that in fluid flow, an increase in velocity occurs simultaneously with decrease in pressure. The students will discover that the faster air moves (air acting as a fluid), the lower the pressure beccomes within that air flow. They will see this effect blowing between two...

"Join Owlie and friends to embark on a """"Severe Weather Preparedness Adventure!""""Most appropriate for elementary and middle levels, this online game -- produced as part of NOAA and the National Weather Service's Young Meteorologist program -- teaches students how to stay safe through weather...

"The outward extent of wind moving around a hurricane is rarely uniform. The size of this wind firld is often skewed to the right side of the storm's forward progress. At the same time, the size of each tropical cyclone varies. One hurricane, while it may not be very powerful, could have a large...

The effects of severe weather are felt every year by many Americans. To obtain critical weather information, NOAA's National Weather Service (NWS), part of the U.S. Department of Commerce, established SKYWARN® with partner organizations. SKYWARN® is a volunteer program with between 350,000 and...

"Welcome to JetStream, the National Weather Service Online Weather School. This site is designed to help educators, emergency managers, or anyone interested in learning about weather and weather safety. The information contained in JetStream is arranged by subject, beginning with global and large...